Home / 143,768.48-215,652.72-55,049.18

Finding the Fourth Proportional to 143,768.48, 215,652.72 and 55,049.18

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Solution

The fourth proportional to 143,768.48, 215,652.72 and 55,049.18 is: 82,573.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,768.48 : 215,652.72 = 55,049.18 : x
  2. Step 2: Convert to fraction form
    143,768.48/215,652.72 = 55,049.18/x
  3. Step 3: Cross multiply
    143,768.48x = 215,652.72 × 55,049.18
  4. Step 4: Simplify right side
    143,768.48x = 11,871,505,400.77
  5. Step 5: Solve for x
    x = 11,871,505,400.77/143,768.48
  6. Step 6: Final answer
    x = 82,573.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.